From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965338AbcALOnh (ORCPT ); Tue, 12 Jan 2016 09:43:37 -0500 Received: from mail-qk0-f171.google.com ([209.85.220.171]:33504 "EHLO mail-qk0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934568AbcALOne (ORCPT ); Tue, 12 Jan 2016 09:43:34 -0500 MIME-Version: 1.0 In-Reply-To: <56815841.80901@linux.intel.com> References: <56815841.80901@linux.intel.com> Date: Tue, 12 Jan 2016 15:43:33 +0100 Message-ID: Subject: Re: [PATCH 2/2] mmc/sdhci-acpi: enable sdhci-acpi device to suspend/resume asynchronously From: Ulf Hansson To: "Fu, Zhonghui" Cc: Adrian Hunter , Michele Curti , Andy Shevchenko , linux-mmc , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 28 December 2015 at 16:41, Fu, Zhonghui wrote: > Now, PM core supports asynchronous suspend/resume mode for devices > during system suspend/resume, and the power state transition of one > device may be completed in separate kernel thread. PM core ensures > all power state transition dependency between devices. This patch > enables sdhci-acpi devices to suspend/resume asynchronously. This > will take advantage of multicore and improve system suspend/resume > speed. After enabling the sdhci-acpi devices and all their child > devices to suspend/resume asynchronously on ASUS T100TA, the system > suspend-to-idle time is reduced from 1645ms to 1089ms, and the > system resume time is reduced from 940ms to 908ms. Same comment as for patch 1. > > Signed-off-by: Zhonghui Fu > --- > drivers/mmc/host/sdhci-acpi.c | 2 ++ > 1 files changed, 2 insertions(+), 0 deletions(-) > > diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c > index f6047fc..3d27f2d 100644 > --- a/drivers/mmc/host/sdhci-acpi.c > +++ b/drivers/mmc/host/sdhci-acpi.c > @@ -388,6 +388,8 @@ static int sdhci_acpi_probe(struct platform_device *pdev) > pm_runtime_enable(dev); > } > > + device_enable_async_suspend(dev); > + > return 0; > > err_free: > -- 1.7.1 > Otherwise, looks good! Kind regards Uffe